mirror of https://github.com/VLSIDA/OpenRAM.git
79 lines
2.4 KiB
Python
Executable File
79 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# See LICENSE for licensing information.
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#
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# Copyright (c) 2016-2021 Regents of the University of California and The Board
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# of Regents for the Oklahoma Agricultural and Mechanical College
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# (acting for and on behalf of Oklahoma State University)
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# All rights reserved.
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#
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"""
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This script will characterize an SRAM previously generated by OpenRAM given a
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configuration file. Configuration option "use_pex" determines whether extracted
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or generated spice is used and option "analytical_delay" determines whether
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an analytical model or spice simulation is used for characterization.
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"""
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import sys
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import datetime
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from globals import *
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from importlib import reload
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try:
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import openram
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except:
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sys.path.append(os.getenv("OPENRAM_HOME"))
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(OPTS, args) = parse_args()
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# Override the usage
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USAGE = "Usage: {} [options] <config file>\nUse -h for help.\n".format(__file__)
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# Check that we are left with a single configuration file as argument.
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if len(args) != 2:
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print(USAGE)
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sys.exit(2)
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OPTS.top_process = 'memchar'
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# These depend on arguments, so don't load them until now.
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import debug
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# Parse config file and set up all the options
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init_openram(config_file=args[0], is_unit_test=False)
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print_banner()
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# Configure the SRAM organization (duplicated from openram.py)
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from characterizer.fake_sram import fake_sram
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s = fake_sram(name=OPTS.output_name,
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word_size=OPTS.word_size,
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num_words=OPTS.num_words,
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write_size=OPTS.write_size,
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num_banks=OPTS.num_banks,
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words_per_row=OPTS.words_per_row,
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num_spare_rows=OPTS.num_spare_rows,
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num_spare_cols=OPTS.num_spare_cols)
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s.parse_html(args[1])
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s.generate_pins()
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s.setup_multiport_constants()
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OPTS.netlist_only = True
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OPTS.check_lvsdrc = False
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# TODO: remove this after adding trimmed netlist gen to sram run
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OPTS.trim_netlist = False
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# Characterize the design
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start_time = datetime.datetime.now()
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from characterizer import lib
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debug.print_raw("LIB: Characterizing... ")
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lib(out_dir=OPTS.output_path, sram=s, sp_file=OPTS.output_path + OPTS.output_name + ".sp", use_model=False)
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print_time("Characterization", datetime.datetime.now(), start_time)
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# Output info about this run
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print("Output files are:\n{0}*.lib".format(OPTS.output_path))
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#report_status() #could modify this function to provide relevant info
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# Delete temp files, remove the dir, etc.
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end_openram()
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